參數(shù)資料
型號(hào): MPC880ZP133
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 133 MHz, RISC PROCESSOR, PBGA357
封裝: 25 X 25 MM, 1.27 MM PITCH, PLASTIC, MS-034BAK-1, BGA-357
文件頁(yè)數(shù): 65/92頁(yè)
文件大?。?/td> 1499K
代理商: MPC880ZP133
68
MPC885/MPC880 Hardware Specifications
MOTOROLA
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
CPM Electrical Characteristics
12.12 I2C AC Electrical Specifications
Table 28 provides the I2C (SCL < 100 KHz) timings.
Table 29 provides the I2C (SCL > 100 KHz) timings.
Table 28. I2C Timing (SCL < 100 KHZ)
Num
Characteristic
All Frequencies
Unit
Min
Max
200
SCL clock frequency (slave)
0
100
KHz
200
SCL clock frequency (master) 1
1 SCL frequency is given by SCL = BRGCLK_frequency / ((BRG register + 3) × pre_scaler × 2).
The ratio SyncClk/(BRGCLK/pre_scaler) must be greater or equal to 4/1.
1.5
100
KHz
202
Bus free time between transmissions
4.7
s
203
Low period of SCL
4.7
s
204
High period of SCL
4.0
s
205
Start condition setup time
4.7
s
206
Start condition hold time
4.0
s
207
Data hold time
0
s
208
Data setup time
250
ns
209
SDL/SCL rise time
1
s
210
SDL/SCL fall time
300
ns
211
Stop condition setup time
4.7
s
Table 29. I2C Timing (SCL > 100 KHZ)
Num
Characteristic
Expression
All Frequencies
Unit
Min
Max
200
SCL clock frequency (slave)
fSCL
0
BRGCLK/48
Hz
200
SCL clock frequency (master) 1
fSCL
BRGCLK/16512
BRGCLK/48
Hz
202
Bus free time between transmissions
1/(2.2
× fSCL)
s
203
Low period of SCL
1/(2.2
× fSCL)
s
204
High period of SCL
1/(2.2
× fSCL)
s
205
Start condition setup time
1/(2.2
× fSCL)
s
206
Start condition hold time
1/(2.2
× fSCL)
s
207
Data hold time
0
s
208
Data setup time
1/(40
× fSCL)
s
209
SDL/SCL rise time
1/(10
× fSCL)
s
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